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Ascitic fluid cholesterol in malignant and tubercular ascites
The Journal of the Association of Physicians of India
|November 1, 1995
Summary
Ascitic fluid cholesterol levels can help distinguish between malignant and tubercular ascites. Higher cholesterol in malignant ascites offers a reliable diagnostic marker.
Area of Science:
- Biochemistry
- Oncology
- Infectious Diseases
Background:
- Ascites is a common clinical condition with diverse etiologies.
- Differentiating malignant ascites from tubercular ascites is crucial for appropriate patient management.
- Current diagnostic methods can be invasive or time-consuming.
Purpose of the Study:
- To evaluate the utility of ascitic fluid cholesterol estimation in differentiating malignant from tubercular ascites.
- To determine a cut-off value for ascitic fluid cholesterol to optimize diagnostic accuracy.
Main Methods:
- Cholesterol levels were measured in the ascitic fluid of 44 patients.
- Patients were categorized into malignant (n=29) and tubercular (n=15) ascites groups.
- Statistical analysis was performed to compare cholesterol levels and assess diagnostic performance.
Main Results:
- Mean ascitic fluid cholesterol was significantly higher in malignant ascites (89.52 mg/dl) compared to tubercular ascites (35.07 mg/dl).
- A cut-off value of 54.5 mg/dl demonstrated high diagnostic accuracy (93.18%).
- Sensitivity was 89.65%, specificity 100%, positive predictive value 100%, and negative predictive value 83.33% for differentiating the two conditions.
Conclusions:
- Ascitic fluid cholesterol estimation is a reliable and simple biochemical test.
- This method effectively differentiates malignant ascites from tubercular ascites.
- Cholesterol measurement offers a valuable, non-invasive tool for ascites diagnosis.